public class Main {
    public static void main(String[] args) {

        System.out.println("Hello world!");
        System.out.println("Hello world!");
        System.out.println("Hello world!");
        System.out.println("Hello world!");
        System.out.println("Hello world!");

        for(int i = 0;i <= 100;i++){
            System.out.println("Hello world!");
        }
        for(int i = 0;i <= 100;i++){
            System.out.println("Hello world!");
        }
    }
}